|Articles|March 1, 2002

Trial compares responses to BTX-A, BTX-B

New Orleans - Results of a preliminary, double-blind, parallel group study demonstrate the efficacy of botulinum toxin type A (BTX-A, Botox) 20 units and botulinum toxin type B (BTX-B, Myobloc) 1,000 and 2,000 units for correcting deep glabellar furrows.

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